CN209001736U - A kind of hub motor - Google Patents
A kind of hub motor Download PDFInfo
- Publication number
- CN209001736U CN209001736U CN201821715783.1U CN201821715783U CN209001736U CN 209001736 U CN209001736 U CN 209001736U CN 201821715783 U CN201821715783 U CN 201821715783U CN 209001736 U CN209001736 U CN 209001736U
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- motor
- output shaft
- rotor
- hub
- reducing mechanism
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Abstract
The utility model discloses a kind of hub motors, hub motor includes motor part, its motor part shell with motor part output shaft and formation gabarit, stator is fixedly installed in motor part inner walls, rotor is provided in stator, rotor is formed a fixed connection by rotor supports part and motor output shaft, for rotary motion to be transferred to motor output shaft, connection is fixed with hub for vehicle wheel on motor output shaft, planet gear reducing mechanism is provided in rotor internal cavity, planet gear reducing mechanism has the rotation deceleration by motor output shaft and the output shaft exported and the reduction part shell for forming gabarit, the output shaft and motor output shaft of planet gear reducing mechanism share an axis.The utility model integrates electric system of the reduction gearbox inside rotor, thoroughly solves super single hub motor straight drive system, at high cost, weight is big, it is difficult to the problem of industrialization.New energy is set to have stepped major step to wheel hub driving.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more specifically, are related to hub motor.
Background technique
With the development of new energy actuation techniques, conventional engines are slowly driving with motor as vehicle drive power
Drive system replace.This is also a great change of energy field.It summarizes power drive system and is broadly divided into following three types:
One kind is the motor driven systems with traditional differential change-gear rear axle；Second class is integrated without traditional differential change-gear rear axle
Drive electric drive system in wheel side of the motor inside pontic；Third class is without traditional differential change-gear rear axle, and motor is integrated in wheel hub
In wheel hub electric drive system.Third class is the final solution of later new energy driving, it has following several advantages:
1 uses advanced differential speed system without conventional carrier mechanical system
2 motors are integrated in wheel rim, save a large amount of vehicle spaces
3 lose without conventional ADS driving mechanical efficiency, and drive efficiency is greatly improved
4 drivings, transmission, pontic can enter modularized design for the first time and Direct wheel drives, motor must be with bridge one
Existing commercial vehicle hub motor all uses motor to be integrated in wheel hub and directly drives wheel hub without deceleration system.Advantage
It is that efficiency is higher, without deceleration system, differential system mechanical loss.The disadvantage is that direct driving motor is because torque is very big, it is electric
Machine weight, volume, cost are very big and it is necessary to use super single.Substantially be not suitable for market to widely popularize.
Based on disadvantage mentioned above, many designers have attempted motor and reduction gearbox is integrated in the scheme in single tyre cavity face, but
Since single tire space is very limited, it is difficult to place in so small space with speed reducer and electric system, leads to this
Scheme is stagnated always.
Summary of the invention
It is of the invention aiming at the shortcomings in the prior art, provide a kind of integrated wheel hub of the reduction gearbox inside rotor
Electric machine structure.
The application is achieved by the following technical solution: a kind of hub motor, and the hub motor includes motor part,
Its motor part shell with motor part output shaft and formation gabarit, is fixedly installed in the motor part inner walls
There is stator, rotor is provided in the stator, the rotor forms fixed company by rotor supports part and the motor output shaft
It connects, with for rotary motion to be transferred to the motor output shaft, connection is fixed with hub for vehicle wheel on the motor output shaft,
Planet gear reducing mechanism is provided in the rotor internal cavity, the planet gear reducing mechanism has the rotation of motor output shaft
The output shaft and the reduction part shell of formation gabarit for slowing down and exporting, output shaft and the motor output of the planet gear reducing mechanism
Axis shares an axis.
In above-mentioned technical proposal, planet gear reducing mechanism include the sun gear being arranged in reduction part shell and with it is described too
The centre wheel of sun wheel engagement, the output shaft of the planet gear reducing mechanism are arranged on the centre wheel.
The oily channel that cooling oil passes through is formed in above-mentioned technical proposal, between the stator and rotor, in the motor
The flowline for being provided with the inlet connector being connected at the oily feeder connection on portion's shell and being connected at the oily feeder connection
Connector.
In above-mentioned technical proposal, the water-cooling channel of S-type distribution is offered in the motor part enclosure interior, in water cooling
Admitting pipe joint is arranged in the inlet in channel, and titting water outlet is arranged in the exit of water-cooling channel.
In above-mentioned technical proposal, water cavity is formed in the reduction part enclosure interior, is opened on reduction part shell end face
Equipped with the admitting pipe joint and titting water outlet being connected to the water cavity.
In above-mentioned technical proposal, the motor part hull outside is provided with small circular rib.
In above-mentioned technical proposal, the S-type distribution of water-cooling channel.
The invention has the following beneficial effects: integrated electric system of the reduction gearbox inside rotor of the present invention, thoroughly
Solves super single hub motor straight drive system, at high cost, weight is big, it is difficult to the problem of industrialization.Make new energy to wheel hub
Driving has stepped major step.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the structural schematic diagram of hub motor of the present invention.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing: a kind of referring to Fig. 1 to Fig. 2
Hub motor, the hub motor 1 include motor part 10, with motor part output shaft 100 and form the electronic of gabarit
Machine portion shell 11 is fixedly installed stator 12 on 11 inner wall of motor part shell, is provided with rotor in the stator 12
13, the rotor 13 is formed a fixed connection by rotor supports part 14 and the motor output shaft 100, to be used for rotary motion
It is transferred to the motor output shaft 100.
Intracavitary in the rotor 13 to be provided with planet gear reducing mechanism 3, the planet gear reducing mechanism 3 has motor
The rotation of output shaft 100 is slowed down and the output shaft exported and the reduction part shell 30 for forming gabarit.Wherein the planetary gear slows down
The output shaft and motor output shaft 100 of mechanism share an axis.As a kind of specific example of planet gear reducing mechanism, the application
Planet gear reducing mechanism include the sun gear 31 being arranged in reduction part shell 30 and the centre wheel engaged with the sun gear
32, the output shaft of the planet gear reducing mechanism is arranged on the centre wheel 32.Link on the motor output shaft 100 solid
Surely there is hub for vehicle wheel 4.
In above structure, by the way that planet gear reducing mechanism 3 is integrated to rotor internal cavity, therefore rationally designs and rotor is utilized
Space is reduced entire hub motor in volume.
The water-cooling channel 110 that S-type distribution is offered inside the motor part shell 11, in water-cooling channel 100
Admitting pipe joint (attached drawing is not shown) is arranged in inlet, and in the exit of water-cooling channel, setting titting water outlet is (attached not shown
Out).It is recycled at titting water outlet further along water-cooling channel 110 by the way that cooling water is passed into admitting pipe joint and is exported, it can be with
Effectively cooling stator generates heat, and carries out heat exchange with inner space, reaches heat dissipation effect.Further, in the electricity
Motivation portion hull outside is provided with small circular rib (attached drawing is not shown), increases motor part shell by above-mentioned small circular rib
11 heat exchange area with the external world, and then further enhance heat dissipation effect.
The oily channel that cooling oil passes through is formed between the stator 12 and rotor 13, is set on the motor part shell 11
The flowline connection to subsea for being equipped with the inlet connector being connected at the oily feeder connection and being connected at the oily feeder connection, cooling oil
Enter under the effect of external pressure fuel pump from oil inlet, is flowed out through oil passage from oil outlet, it is cooling to turn by above-mentioned cooling oil
The heat that sub- iron core, permanent magnet and bearing operation generate, and heat exchange is carried out with decelerator shell.
In above structure, by water, oil exchange is cooling and surface is from heat radiation cooling system design, this hub motor is specified
Stator winding temperature is about controlled at 100 ° when load, and peak value runs 135 °, 120 ° of rotor permanent magnet, 70 ° of bearing temperature, is run
Temperature is more reasonable, extends machine life.Complete machine structure is compacter, and length is shorter, light-weight, than outer rotor list tire wheel hub electricity
Light-weight 150KG of machine or so mitigates complete vehicle weight, improves electromagnetism course continuation mileage.
Further preferred, water cavity 30a is formed inside the reduction part shell 30, in 30 end face of reduction part shell
On offer the admitting pipe joint (attached drawing is not shown) and titting water outlet (attached drawing is not shown) being connected to the water cavity 30a, lead to
Cross by cooling water be passed into admitting pipe joint further along water cavity 30a be recycled at titting water outlet export, can be effectively reduced and subtract
The heat that fast 30 inside each component of kind of planet gear reducing mechanism of portion's shell generates when working.For supplying reduction part shell in the application
The supply unit of 11 cooling water source of body 30 and motor part shell is all made of the supply of the water tank on automobile, in embodiment to above-mentioned knot
Structure will not be repeated here.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments.Described in the above embodiment and specification in the application
It is the principle of the present invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention.On
Changes and improvements are stated to both fall in the range of claimed invention.
Claims (7)
1. a kind of hub motor, the hub motor includes motor part, with motor part output shaft and forms gabarit
Motor part shell is fixedly installed stator in the motor part inner walls, and rotor is provided in the stator, described
Rotor is formed a fixed connection by rotor supports part and the motor output shaft, for rotary motion to be transferred to the motor
Output shaft, connection is fixed with hub for vehicle wheel on the motor output shaft, it is characterised in that: is arranged in the rotor internal cavity
Have a planet gear reducing mechanism, the planet gear reducing mechanism have the output shaft that the rotation of motor output shaft is slowed down and is exported and
The reduction part shell of gabarit is formed, the output shaft and motor output shaft of the planet gear reducing mechanism share an axis.
2. a kind of hub motor as described in claim 1, it is characterised in that: the planet gear reducing mechanism is included in reduction part
The output shaft setting of the sun gear being arranged in shell and the centre wheel engaged with the sun gear, the planet gear reducing mechanism exists
On the centre wheel.
3. a kind of hub motor as described in claim 1, it is characterised in that: it is logical that cooling oil is formed between the stator and rotor
The oily channel crossed, be provided on the motor part shell inlet connector being connected at the oily feeder connection be connected to institute
State the flowline connection to subsea at oily feeder connection.
4. a kind of hub motor as described in claim 1, it is characterised in that: it is offered in the motor part enclosure interior and is in
The water-cooling channel of S type distribution, is arranged admitting pipe joint in the inlet of water-cooling channel, and water outlet is arranged in the exit of water-cooling channel
Pipe fitting.
5. a kind of hub motor as described in any one of Claims 1-4, it is characterised in that: in the reduction part shell
Inside forms water cavity, offers the admitting pipe joint being connected to the water cavity on reduction part shell end face and outlet pipe connects
Head.
6. a kind of hub motor as claimed in claim 5, it is characterised in that: it is provided in the motor part hull outside small
Round rib.
7. a kind of hub motor as claimed in claim 5, it is characterised in that: the S-type distribution of water-cooling channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821715783.1U CN209001736U (en) | 2018-10-23 | 2018-10-23 | A kind of hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821715783.1U CN209001736U (en) | 2018-10-23 | 2018-10-23 | A kind of hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001736U true CN209001736U (en) | 2019-06-18 |
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ID=66804269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821715783.1U Active CN209001736U (en) | 2018-10-23 | 2018-10-23 | A kind of hub motor |
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| Country | Link |
|---|---|
| CN (1) | CN209001736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617310A (en) * | 2018-10-23 | 2019-04-12 | 展欣（宁波）新能源科技有限公司 | A kind of hub motor |
-
2018
- 2018-10-23 CN CN201821715783.1U patent/CN209001736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617310A (en) * | 2018-10-23 | 2019-04-12 | 展欣（宁波）新能源科技有限公司 | A kind of hub motor |
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